chore(deps): bump scikit-learn in /site/utils/embeddings

Bumps [scikit-learn](https://github.com/scikit-learn/scikit-learn) from 1.3.1 to 1.5.0.
- [Release notes](https://github.com/scikit-learn/scikit-learn/releases)
- [Commits](scikit-learn/scikit-learn@1.3.1...1.5.0)

---
updated-dependencies:
- dependency-name: scikit-learn
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <support@github.com>

site/utils/embeddings/requirements.txt

@@ -1,4 +1,4 @@
 numpy==1.26.0
-scikit-learn==1.3.1
+scikit-learn==1.5.0
 scipy==1.11.3
 sentence-transformers==2.2.2